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Causes and Solutions for Corner Crack Defect of Continuous Casting Sheet Billet
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Li-tong Zhang1, Qiang Li2, Yun-bo Duan2
Rare Earth Steel | 2019, 45(3) : 22 - 24
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Rare Earth Steel | 2019, 45(3): 22-24
• Production Practice and Management •
Causes and Solutions for Corner Crack Defect of Continuous Casting Sheet Billet
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Li-tong Zhang1, Qiang Li2, Yun-bo Duan2
Affiliations
  • 1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Rare Earth Steel Plate Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2019-06-25 doi: 10.13647/j.cnki.btgkj.2019.03.008
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In the paper, it is investigated the corner crack defect of continuous casting sheet billet, analyzed its causes from the process, operations and devices. The uneven thermal stress and mechanical stress on solidified slab shell are improved through such a series of improvement measures as improving the quality of molten steel, adjusting the cooling water and secondary cooling water consumption of crystallizer as well as improving the on-line equipment performance and chamfered crystallizer so that its occurrence rate is reduced and the quality of continuous casting sheet billet is improved.

continuous casting  /  corner crack  /  crystallizer  /  secondary cooling
张立通, 李强, 段云波. 连铸坯角裂缺陷产生原因及解决对策. 包钢科技, 2019 , 45 (3) : 22 -24 . DOI: 10.13647/j.cnki.btgkj.2019.03.008
Li-tong Zhang, Qiang Li, Yun-bo Duan. Causes and Solutions for Corner Crack Defect of Continuous Casting Sheet Billet[J]. Science & Technology of Baotou Steel, 2019 , 45 (3) : 22 -24 . DOI: 10.13647/j.cnki.btgkj.2019.03.008
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Year 2019 volume 45 Issue 3
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Article Info
doi: 10.13647/j.cnki.btgkj.2019.03.008
  • Receive Date：2019-03-13
  • Online Date：2026-10-20
  • Published：2019-06-25
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  • Received：2019-03-13
Affiliations
    1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Rare Earth Steel Plate Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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